{"action":"Upgrade github.com/mattermost/mattermost-server to 3.10.3+incompatible or later.","affected":[{"fixed":"3.10.3+incompatible","introduced":"0"},{"fixed":"4.0.3+incompatible","introduced":"4.0.0+incompatible"}],"component":"github.com/mattermost/mattermost-server","cve_ids":["CVE-2017-18900"],"ecosystem":"Go","epss":0.01296,"exploited":false,"fixed_versions":["3.10.3+incompatible","4.0.3+incompatible"],"ghsa_id":"GHSA-8q4v-35v6-g8wr","id":"tcs_01M5KGCZBGVX7VT4JXCC9PVVHA","modified_at":"2026-03-03T04:57:52.430210Z","published_at":"2026-01-13T16:42:40Z","references":["https://osv.dev/vulnerability/GO-2026-4303","https://github.com/advisories/GHSA-8q4v-35v6-g8wr","https://nvd.nist.gov/vuln/detail/CVE-2017-18900","https://github.com/mattermost/mattermost/commit/eaa598aba901a20c65c52dd1e1b82e7e1dffb962","https://mattermost.com/security-updates"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-4303","url":"https://osv.dev/vulnerability/GO-2026-4303"}],"summary":"Mattermost Server is vulnerable CSV Injection in github.com/mattermost/mattermost-server"}